20924505

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{367}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 41793024

約数和(自身を除く): 20868519

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 181, 315, 367, 543, 905, 1101, 1267, 1629, 1835, 2569, 2715, 3303, 3801, 5505, 6335, 7707, 8145, 11403, 12845, 16515, 19005, 23121, 38535, 57015, 66427, 115605, 199281, 332135, 464989, 597843, 996405, 1394967, 2324945, 2989215, 4184901, 6974835, 20924505]

約数ペア:

[(1, 20924505), (3, 6974835), (5, 4184901), (7, 2989215), (9, 2324945), (15, 1394967), (21, 996405), (35, 597843), (45, 464989), (63, 332135), (105, 199281), (181, 115605), (315, 66427), (367, 57015), (543, 38535), (905, 23121), (1101, 19005), (1267, 16515), (1629, 12845), (1835, 11403), (2569, 8145), (2715, 7707), (3303, 6335), (3801, 5505)]